#ifndef COMB_EXPRESSION_HPP__
#define COMB_EXPRESSION_HPP__

#include "util.hpp"

/** Driver for "comb expression"
 */
void do_expression(int argc, char **argv);

/** 
 * Driver for "comb expression" in color space.
 */
void do_color_expression(prog_options &options);

/** 
 * Driver for "comb expression" in sequence space.
 */
void do_seq_expression(prog_options &options);

#endif
